Automation System
A disadvantage of Numerical Control (NC) is:

the machine tool can easily overheat
the tape and tape reader are not reliable
the computer is not reliable
None of these
one operator is needed for each machine.

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Automation System
A discrete parts process is:

normally a repetitive series of operations
(b) and (c)
the same as a continuous process except a different controller must be used
often encountered in manufacturing
None of these

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Automation System
The computer graphics system called SKETCHPAD was demonstrated at

Massachusetts Institute of Technology in 1963
None of these
University of Aston, Birmingham, 1960
Cranfield Institute of Technology, London, 1962
Imperial college of Science and Technology, London, 1973

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